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DIC_ROCK_NAMEV3 (3025 rows)
Dictionary table which is part of version 3 of the BGS Rock Classification Scheme. The main part of the RCS - it contains only single lithologies.

Displaying rows 66 to 85 of 3025

Row	CODE	DESCRIPTION	RCS_STATUS	TRANSLATION	Q1	Q2	USER_ENTERED	DATE_ENTERED	USER_UPDATED	DATE_UPDATED	TRANSFER	DEFINITION_BKING	STATUS
66	AKFST	Ankerite-framestone - A dolomite-framestone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-framestone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with components >50% magnesium carbonates, >50% of magnesium carbonate is ankerite Fine, 0.032 to 0.25mm sediment fills cavities in framework of colonies of shells or skeletons.	C
67	AKGST	Ankerite-grainstone - A dolomite-grainstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-grainstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Grain-supported Sedimentary rock with components >50% magnesium carbonates, >50% of magnesium carbonate is ankerite, <15% matrix, (particles <0.032mm), component size not defined.	C
68	AKMCST	Ankerite-microstone - A dolomite-microstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-microstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with crystals >50% magnesium carbonate, ankerite >50% of magnesium carbonate crystals. Petrological study shows obliterative sparry ankerite, <0.004mm in inequant blocky mosaics. Crystals submicroscopic.	C
69	AKMSPT	Ankerite-microsparstone - A dolomite-microsparstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-microsparstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with crystals >50% magnesium carbonate, ankerite >50% of magesium carbonate crystals. Petrological study shows obliterative sparry ankerite 0.032 to 0.004mm (microscopic) in inequant blocky mosaics.	C
70	AKMST	Ankerite-mudstone - A dolomite-mudstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-mudstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Matrix supported sedimentary rock with components >50% magnesium carbonate, >50% of magnesium carbonate is ankerite. >50% or predominantly matrix (crystals <0.032mm).	C
71	AKPSPT	Ankerite-pseudosparstone - A dolomite-pseudosparstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-pseudosparstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with crystals >50% Mg-carbonates, ankerite >50% of Mg-carbonate crystals. Petrological study shows non-obliterative insitu botryoidal ankerite pseudospar masses. No framework of grains/biogenic material. Radial fibrous calcite cement	C
72	AKPST	Ankerite-packstone - A dolomite-packstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-packstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Grain-supported Sedimentary rock with grains >50% magnesium carbonates, >50% of magnesium carbonate is ankerite. Matrix, particles <0.032mm fills intergranular spaces. Component size not defined	C
73	AKSED	Ankerite-sediment - In the Rock Classification Scheme, this is a dolomite-sediment where it is known that the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	A	Ankerite-sediment			GRBA	24-FEB-00	TMCM	08-MAR-19		Sediment with components >50% magnesium carbonate, >50% of magnesium carbonate is ankerite. Component size not defined.	C
74	AKSPT	Ankerite-sparstone - A dolomite-sparstone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-sparstone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with crystals >50% magnesium carbonate, ankerite >50% of magnesium carbonate crystals. Petrological study shows obliterative sparry ankerite >0.032mm in inequant blocky mosaics. Crystal size not defined.	C
75	AKST	Ankeritestone - In the Rock Classification Scheme, this is a dolostone where it is known that ankerite forms more than 50% of the carbonate component. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	A	Ankeritestone			GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock with crystals >50% magnesium carbonate, ankerite >50% of magnesium carbonate crystals. Crystal size not defined.	C
76	AKWST	Ankerite-wackestone - A dolomite-wackestone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7.	R	Ankerite-wackestone			GRBA	24-FEB-00	TMCM	08-MAR-19		Matrix supported Sedimentary rock with components >50% magnesium carbonate, >50% of magnesium carbonate is ankerite, <75% matrix (particles <0.032mm).	C
77	ALCRTE	Alcrete - One of the hydroxides and oxides of alumina. It is an indurated deposit consisting predominantly of an accumulation of aluminium sesquioxides. British Geological Survey Research Report RR/99/03, section 13.6.	R	Alcrete			GRBA	24-FEB-00	TMCM	13-MAR-19		Pedogenic sedimentary rock, a lithified deposit consisting predominantly of an accumulation of aluminium sesquioxides	C
78	AMGR	Apatite-magnetite-rock	N	Apatite-magnetite-rock			AWEL	17-DEC-04	TMCM	31-AUG-18		Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; apatite50% of rock	C
79	AMPHB	Amphibolite - A type of metamorphic rock with unknown protolith based on modal composition. In the Rock Classification Scheme, it is one composed largely of hornblende and plagioclase. This mineralogy reflects amphibolite facies conditions. Note that para-amphibolite indicates a rock that is thought to have a sedimentary protolith, and ortho-amphibolite indicates a rock that is thought to have an igneous protolith. British Geological Survey Research Report RR/99/02, section 6.2.	R	Amphibolite			GRBA	24-FEB-00	TMCM	22-FEB-19		Crystalloblastic commonly foliated metamorphic rock (grain size & protolith undefined); 35-90% mafic minerals, hornblende+plagioclase dominant +/-garnet/biotite/quartz	C
80	AMPHFO	Amphibolite, foliated	U	Foliated amphibolite	foliated		GRBA	24-FEB-00	TMCM	31-AUG-18		Crystalloblastic metamorphic rock (grain size & protolith undefined); 35-90% mafic minerals, hornblende+plagioclase dominant +/-garnet/biotite/quartz. <5mm planar texture/structure from preferred orientation of platy/prismatic minerals.	C
81	AMPQXN	Amphibolite, quartz-xenolithic	U	Quartz-xenolithic amphibolite	quartz	xenolithic	AWEL	07-OCT-03	TMCM	31-AUG-18		Crystalloblastic commonly foliated metamorphic rock (grain size & protolith undefined); 35-90% mafic minerals, hornblende+plagioclase dominant +/-garnet/biotite/quartz. Containing 5-20% remnants of quartz from a pre-existing source-rock.	C
82	AMPSCH	Amphibolite, schistose	U	Schistose amphibolite	schistose		AWEL	13-MAR-01	TMCM	31-AUG-18		Crystalloblastic metamorphic rock (grain size & protolith undefined); 35-90% mafic minerals, hornblende+plagioclase dominant +/-garnet/biotite/quartz. Splits into <5mm slabs/flakes defined by well-developed planar orientation of platy/prismatic minerals.	C
83	AND	Andesite - A type of andesitic-rock. In the Rock Classification Scheme, this name is used for a fine-grained crystalline igneous rock when the modal mineralogy is available, and the mineral mode plots in fields 9 and 10 of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Andesite and basalt may be separated chemically using SiO₂ content: if wt% SiO₂ is greater than 52% the rock is andesite. British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17a, 19, 21.	R	Andesite			GRBA	24-FEB-00	TMCM	22-FEB-19		Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%	C
84	ANDA	Andesite, augite	U	Augite andesite	augite		AWEL	26-FEB-01	TMCM	31-AUG-18		Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. 5-20% augite present.	C
85	ANDCLA	Lava, andesitic	U	Andesitic lava	andesitic		DJLO	18-MAY-06	TMCM	31-AUG-18	I	Not Available	C

Displaying rows 66 to 85 of 3025